Career
He was so involved in Chicago philately that he was referred to as "Chicago"s Number. 1 Collector." Newbury concentrated on building up world-class and world-famous collections. He was also famous for his collection of classic Brazilian Bulletin’s Eye stamps, plus a collection of classic stamps of Shanghai, China, plus another collection of postage stamps and history of the country of Colombia and stamps issued by its states.
Newbury was an advocate of philatelic research and encouraged others in their research.
He financed the research of Stanley Bryan Ashbrook, which led to Ashbrook’s publication in 1938 of his book The United States One-Cent Stamp of 1851-1857. The was established by the Chicago Philatelic Society in his honor in 1945.